1. Department of Pediatric and Neurology/Neurosurgery McGill University Montréal Canada
2. Department of Clinical Neurosciences, Psychiatry, Pediatrics and Community Health Sciences Cumming School of Medicine University of Calgary Canada
3. Department of Pediatrics (Neurology) Northwestern University Feinberg School of Medicine Chicago IL
4. Neurology Department Southern California Permanente Medical Group, Kaiser Los Angeles
5. Division of Neurology Children's Hospital of Philadelphia Philadelphia PA
6. Department of Neurology Charleston Area Medical Center Charleston WV
7. Division of Neurology Cincinnati Children's Hospital Medical Center OH
8. Department of Neuroscience and Spine St. Anthony Hospital—Centura Health Lakewood CO
9. University of Louisville Comprehensive Headache Program and University of Louisville Child Neurology Residency Program KY
10. Division of Neurology, NeuroDevelopmental Science Center Akron Children's Hospital OH
11. Rochester NY
12. St. Paul MN
13. O'Fallon MO
14. Division Neurology Children's Hospital Colorado Aurora
15. Department of Neurology Mayo Clinic Rochester MN